An onomatopoeia representing a cracking or crunching sound (e.g., cracking knuckles, breaking sticks, crunchy crunch); often used adverbially to emphasize the action.
彼はストレス解消に指をボキボキ鳴らす癖がある。
He has a habit of cracking his fingers to relieve stress.
枝をボキボキ折って焚き火のために薪を作った。
He broke branches with cracking sounds to make firewood for the bonfire.
古い床が歩くたびにボキボキ音を立てる。
The old floor creaks and cracks every time you walk on it.
子どもがスナックをボキボキかじって食べている。
The child is crunching on a snack noisily.